2-amino-3',4,4'-5-tetramethoxybenzophenone hydrochloride 、
ethyl 7-(N,N-diethylamino)-3-oxoheptanoate 以to give ethyl 2-[4-(N,N-diethylamino)butyl]-4-(3,4-dimethoxyphenyl)-6,7-dimethoxyquinoline-3-carboxylate的产率得到ethyl 2-[4-(N,N-diethylamino)butyl]-4-(3,4-dimethoxyphenyl)-6,7-dimethoxyquinoline-3-carboxylate